The the highest score of certain data exceeds its lowest score by 16 and coefficient of range is `(1)/(3)`. Find the sum of highest score and the lowest score.

The average marks of a student in 10 papers are 80. If the heighest and the lowest score are not considered the average is 81. If his heighest score is 92. Find the lowest score.

The batting average for 40 innings of a cricket player is 50 runs.His highest score in an innings exceeds his lowest score by 172 runs. If these two innings are excluded,the average score of the remaining 38 innings is 48 runs. Find his highest score in an innings.

The highest score in an inning was (3)/(1) of the total and the next highest was (3)/(11) of the remainder.If the scores differed by 9, the total score was.

Set up an equation in the following cases: The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.)